Finding the Fourth Proportional to 2,403.51, 3,603.60 and 942.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.51 : 3,603.60 = 942.81 : x
2. Step 2: Convert to fraction form
   2,403.51/3,603.60 = 942.81/x
3. Step 3: Cross multiply
   2,403.51x = 3,603.60 × 942.81
4. Step 4: Simplify right side
   2,403.51x = 3,397,510.12
5. Step 5: Solve for x
   x = 3,397,510.12/2,403.51
6. Step 6: Final answer
   x = 1,413.56